93 lines
2.5 KiB
Plaintext
93 lines
2.5 KiB
Plaintext
/*
|
|
* $Id$
|
|
*/
|
|
|
|
/*
|
|
* Harbour Project source code:
|
|
* Testing the operators-overloading feature
|
|
*
|
|
* Copyright 2000 Antonio Linares <alinares@fivetech.com>
|
|
* www - http://www.harbour-project.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version, with one exception:
|
|
*
|
|
* The exception is that if you link the Harbour Runtime Library (HRL)
|
|
* and/or the Harbour Virtual Machine (HVM) with other files to produce
|
|
* an executable, this does not by itself cause the resulting executable
|
|
* to be covered by the GNU General Public License. Your use of that
|
|
* executable is in no way restricted on account of linking the HRL
|
|
* and/or HVM code into it.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
|
|
* their web site at http://www.gnu.org/).
|
|
*
|
|
*/
|
|
|
|
#include "hbclass.ch"
|
|
|
|
// Right now you can overload operators with Harbour
|
|
// as C++ does!!! Not all operators are available. ASAP we will provide all
|
|
// of them.
|
|
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
function Main()
|
|
|
|
local oCar := TCar():New( "red", 2 )
|
|
local oPetrol
|
|
|
|
oCar = oCar + oPetrol
|
|
|
|
return nil
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
CLASS TCar
|
|
|
|
DATA cColor
|
|
DATA nDoors
|
|
DATA oGas
|
|
|
|
METHOD New( cColor, nDoors ) CONSTRUCTOR
|
|
|
|
METHOD Sum( oObject ) OPERATOR '+'
|
|
|
|
ENDCLASS
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
METHOD New( cColor, nDoors ) CLASS TCar
|
|
|
|
if cColor == nil
|
|
cColor = "White"
|
|
endif
|
|
if nDoors == nil
|
|
nDoors = 4
|
|
endif
|
|
|
|
::cColor = cColor
|
|
::nDoors = nDoors
|
|
|
|
return Self
|
|
|
|
//----------------------------------------------------------------------------//
|
|
|
|
METHOD Sum( oObject ) CLASS TCar
|
|
|
|
Alert( "+ has a special meaning and " + ;
|
|
"functionality for TCar Class objects!!!" )
|
|
|
|
return nil
|
|
|
|
//----------------------------------------------------------------------------// |